Finding the Fourth Proportional to 168,991,751.80, 253,487,627.70 and 41,340,935.80
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Solution
The fourth proportional to 168,991,751.80, 253,487,627.70 and 41,340,935.80 is: 62,011,403.70
Step by Step Solution
- Step 1: Write the proportion equation
168,991,751.80 : 253,487,627.70 = 41,340,935.80 : x - Step 2: Convert to fraction form
168,991,751.80/253,487,627.70 = 41,340,935.80/x - Step 3: Cross multiply
168,991,751.80x = 253,487,627.70 × 41,340,935.80 - Step 4: Simplify right side
168,991,751.80x = 10,479,415,742,840,000 - Step 5: Solve for x
x = 10,479,415,742,840,000/168,991,751.80 - Step 6: Final answer
x = 62,011,403.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.